Preliminary Maps & Data for 2022

As of January 10, 2023, a total of 1,035 cases of West Nile virus disease in people have been reported to CDC. Of these, 737 (71%) were classified as neuroinvasive disease (such as meningitis or encephalitis) and 298 (29%) were classified as non-neuroinvasive disease.

• West Nile Virus Disease Cases & Presumptive Viremic Blood Donors by State [Table]
• West Nile Virus Activity by State [Map]
• West Nile Virus Neuroinvasive Disease Incidence by State [Map]
• National & state maps (including county-level data) from 2003 – present.